Plasma-wall interaction studies with optimized laser-produced jets

Renner, O.; Pisarczyk, T.; Chodukowski, T.; Kalinowska, Z.; Krouský, E.; Pisarczyk, P.; Sˇmíd, M.; Ullschmied, J.; Dalimier, E.
September 2011
Physics of Plasmas;Sep2011, Vol. 18 Issue 9, p093503
Academic Journal
The production of the laser-produced plasma jets at burnt-through low-Z foils was optimized by using three-frame interferometry. When striking secondary targets, these jets of energetic particles represent an efficient tool for the investigation of transient phenomena at surfaces of the plasma-exposed solids. Two sets of precisely measured x-ray spectroscopic data demonstrate diagnostic potential of the collimated jets in the plasma-wall interaction studies: Blue Doppler shifts of the Al jet self-emission visualize ion deceleration in the near-wall region. Local depressions found in Al Lyγ profiles emitted from Al/Si(PMMA) targets indicate charge exchange between the Al XIII and fully stripped C ions.


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